3836 search results - page 121 / 768 » Semantics of Database Transformations |
138
Voted
DASFAA
2008
IEEE
15 years 9 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
109
Voted
VISUAL
1999
Springer
15 years 6 months ago
1999
Springer
To support the retrieval and fusion of multimedia information from multiple sources and databases, a spatial/temporal query language called ΣQL is proposed. ΣQL is based upon th...
FUIN
2007
15 years 2 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
132
Voted
IV
2010
IEEE
15 years 16 days ago
2010
IEEE
The first step of any information visualization system is to enable end user to import their dataset into the system. However, non expert user are faced to the difficult task of ch...
124
Voted
DEXA
2004
Springer
15 years 8 months ago
2004
Springer
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...